Definition of computer

Computer is an programmable machine. computer is an electronic machine which can accept row material data and process then give instruction. Today, however, the term is most often used to refer to the desktop computer and laptop computer the most people use. Complex computer also include the means for storing data(including the program which is also a form of data) for some necessary duration. A program, be invariable and built into the computer(and called logic circuitry as it is on microprocessor) or different different program may be provide the computer. (loaded into its storage and then start by an administration or user). When referring to a desktop model, the term "computer" technically only refers to the computer it seat - not the monitor, keyboard and mouse.

The main characteristic of a computer are:

It responds to a set of instruction provided from an input device.
It process the provided set of instruction
It gives out the meaningful result after processing the instruction.